Sebastian Jungnickel

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Melatonin, the major secretory product of the pineal gland, is in focus of many research areas because of its ability to scavenge free oxygen radicals and thereby protect cells and tissues from radical damage. Some studies suggest melatonin may be a possible therapeutic agent with potential clinical applications against pathological states due to reactive(More)
Rapid opioid withdrawal induced by naltrexone is now used as a treatment for heroin addiction. The alpha2-adrenoceptor agonist, clonidine, is currently used in clinical practice to reduce opioid withdrawal in humans. However, few studies have been reported on its effectiveness for this purpose. Guinea-pigs were made dependent and tolerant to morphine using(More)
The effects of subchronic subcutaneous treatment with tachykinin receptor antagonists over nine days on the repeated mild stress response induced by daily subcutaneous injections and on the severe acute stress induced by morphine withdrawal were investigated in guinea-pigs. The NK(1) receptor antagonist, L733,060, 0.25mg/kg, significantly increased(More)
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